EP3157477B1 - Vorrichtungen für stomagasmanagement - Google Patents

Vorrichtungen für stomagasmanagement Download PDF

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Publication number
EP3157477B1
EP3157477B1 EP15810921.5A EP15810921A EP3157477B1 EP 3157477 B1 EP3157477 B1 EP 3157477B1 EP 15810921 A EP15810921 A EP 15810921A EP 3157477 B1 EP3157477 B1 EP 3157477B1
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EP
European Patent Office
Prior art keywords
insert
port
gas management
gas
receiving
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EP15810921.5A
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English (en)
French (fr)
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EP3157477A1 (de
EP3157477A4 (de
Inventor
Joan C. APOLINARIO
Rachel J. BLUMBERG
Whitney R. HALGRIMSON
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Entrenous LLC
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Entrenous LLC
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
    • A61F5/441—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices having venting or deodorant means, e.g. filters ; having antiseptic means, e.g. bacterial barriers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
    • A61F5/445—Colostomy, ileostomy or urethrostomy devices

Definitions

  • An example ostomy pouch filter housing is disclosed in US 4938749 A showing the housing mounted on and sealed around an opening in the pouch wall.
  • the disc-like base of the housing has a central, axially extending entrance passageway aligned with the pouch opening. A portion of the base extends radially outwardly beyond the seal and has a second axial passageway therethrough.
  • the cover of the housing defines a filter receiving recess aligned with the entrance passageway.
  • the recess has a connecting channel extending radially therefrom.
  • the cover is removably mounted on the base for relative rotational movement between a first position in which the connecting channel aligns with the exit passageway, so as to permit venting of the gases from the pouch, and a second position wherein the connecting channel is out of alignment with the exit passageway, closing the vent.
  • ostomy pouch During a patient's normal use of an ostomy pouch, significant volumes of gas can accumulate within the pouch. In turn, this can cause a ballooning effect of the pouch, which can cause ostomates distress for a number of reasons.
  • the ballooning effect causes a discretion issue, as it is difficult to conceal the pouch under clothing. This is concerning in social environments, where individuals may want to keep their ostomy private.
  • the expanded pouch is uncomfortable both during the day and at night. For example, at night, one may roll over onto the pouch, potentially causing the pouch to detach from the abdomen, causing fecal output to spill everywhere. If pressure is sufficiently high, stool can sometimes escape through pores of the filter as well.
  • the ballooning effect also reduces the usable wear period of an ostomy wafer and pouch, as the increased pressure causes the wafer to detach from the skin.
  • a detached wafer requires the ostomate to exchange the full ostomy appliance (wafer and pouch), causing greater physical discomfort to the ostomate through skin irritation and increasing the cost of care through more frequent supply purchases.
  • the collected gas is also significantly odorous, and this leads to further restrictions and embarrassment for ostomates. For example, ostomates will avoid traveling to visit family or friends because they do not want to release the odorous gas in foreign bathrooms. Furthermore, a common method for addressing ballooning is to uncouple the pouch and vent the collected gas, but this must be done in absolute seclusion due to the embarrassing gas odor that is released.
  • ostomates In order to avoid accidents such as these, ostomates will often wake up in the middle of the night to relieve the pressure, which causes a disruption of normal sleep patterns. The normal daily routine also suffers numerous disruptions as the ostomate must frequently visit the restroom or find secluded environments to empty the gas from their pouch. Lastly, ostomates will significantly alter their diet in order to reduce their gas production on a daily basis.
  • the present disclosure describes apparatuses for gas management useful with ostomy products, but may be useful elsewhere, embodying advantageous alternatives to the existing methods.
  • the embodiments of the gas management apparatuses described herein use material to absorb odorous gases, while optionally allowing the passage of other gases through.
  • the odorous gases may include those produced by the intestine, such as hydrogen sulfide (H 2 S) and methyl mercaptan (MeSH).
  • H 2 S hydrogen sulfide
  • MeSH methyl mercaptan
  • the gas management apparatus may prevent ballooning from occurring while minimizing user exposure to unpleasant odorous gases.
  • the embodiments of gas management apparatus include an insert (or unit, or filter (depending on the use of the insert)) and an insert port (or port).
  • the insert port is attached (e.g., joined by adhesive or heat-seal or weld) to an ostomy product, such as an ostomy pouch.
  • the insert port has a passage in which the insert is disposed. The passage is in communication with an inner chamber of the ostomy product, such that gases (and potentially other materials) contained in the ostomy product may pass from the inner chamber and into the insert port passage.
  • the insert is disposed within the passage in such a way that most (e.g., at least 50%) if not all of the gases that pass into the passage also come in contact with the insert, and in particular with a portion of the insert formed of an odor adsorbent.
  • the insert port may include a latch that attaches or secures the insert in place in the passage.
  • the insert port is open, such that gases flow into and through the passage and out of the ostomy product via the insert port, this may not be the case according to all embodiments of the present disclosure.
  • the insert port may be closed or capped, such that gases may enter the port, but are unable to exit the ostomy product.
  • the odorous gases may still be exposed to the odor adsorbent, thereby removing at least a portion of the odorous gases from the inner chamber of the ostomy product.
  • the insert is intended to be disposable, when the insert becomes fouled, such as when the individual using the ostomy product lies down, for example.
  • more than one insert may be used with a single ostomy product over the life of the ostomy product.
  • the insert may be used in conjunction or combined with an applicator that facilitates the removal and/or disposal of the existing insert and the placement of a new insert in the insert port. The applicator would enable these actions to be performed in a hygienic manner.
  • the applicator may cause the existing insert to be pushed through the passage in the insert port and into the inner chamber of the ostomy product (so that the insert may be disposed of with the intestinal wastes collected in the ostomy product), while a new insert is moved into place in the passage of the insert port.
  • the insert may be detached from the port and disposed of in a refuse container.
  • the insert may include a liquid-impermeable, gas-permeable layer or membrane that encapsulates the odor adsorbent.
  • the odor absorber is entirely encapsulated or covered with the liquid-impermeable, gas-permeable material.
  • the odor adsorbent may only partially encapsulate or cover the odor adsorbent.
  • the odor adsorbent used in the inserts describe herein may include, by way of explanation and not by way of limitation, activated charcoal, zeolites and metal-organic frameworks (MOFs).
  • activated charcoal zeolites
  • MOFs metal-organic frameworks
  • Activated charcoal, zeolites and MOFs can be used to selectively sequester and store gas particles.
  • Human gas is mainly comprised of nitrogen, carbon dioxide, methane, and hydrogen.
  • the odorous portion of the gas is mainly comprised of hydrogen sulfide, methanthiol, and skatole, though they represent ⁇ 5% of the output. It has been shown in the literature that these gases can be sequestered using activated charcoal, zeolites or MOFs.
  • Zeolites and MOFs have gas storage capacities that may be particularly favorable. It is documented that the storage capacities of up to 4mmol/kg (mmol gas per kg of media) can be achieved with zeolites and/or MOFs.
  • zeolites and MOFs While zeolites and MOFs have a well-documented ability to adsorb gases, their overall shape, weight, and potential for hydrophobicity permits their advantageous use in, for example, ostomy products as described herein. Hydrophobicity may be particular important as commercially-available gas management technology for ostomy pouches are believed to cease function post-contact with liquid.
  • the embodiments described herein may use a particular type of activated charcoal, zeolite or MOF, or may use a combination of activated charcoal, zeolites and/or MOFs together to capture the heterogeneous gas mixture that frequently comprises ostomy output.
  • the membrane that surrounds the gas adsorbent is microporous membrane (such as ePTFE Gore-Tex) that may be hydrophobic and oleophobic, but is gas permeable.
  • This membrane serves to protect the gas adsorbent from intestinal output on the interior of the pouch.
  • This membrane also serves to protect the gas adsorbent on the exterior portion of the pouch from things such as water or sweat from daily activities. Due to the porous nature of the material, passage of gases through the filter can still occur.
  • the filter can be comprised of membrane/adsorbent/membrane as shown in Figs. 1 and 2 , or can continue to alternate in many layers to ensure prevention of leakage (not shown).
  • the layers of membrane and adsorbent can be unified by adhesive, heat sealing, or pressure from an additional casing unit.
  • the shape of the filter is shown as a disk. Generally, sealing is more easily achieved with mating of parts of cylindrical nature. However, it is possible for sealing to occur with different geometry, so potential embodiments are not limited to disks.
  • the gas management apparatus may also be capped.
  • a MOF that specifically adsorbs both odorous and volumous gases produced by the intestine (primarily hydrogen (H2), nitrogen (N2), methane (CH4) and carbon dioxide (CO2) may be used because there will be minimal or no outflow of any gases.
  • An embodiment of an insert for such a capped apparatus may follow similar geometry as above with a protecting microporous membrane over the internal aspect of the unit, protecting the MOF from intestinal output.
  • the external aspect of the unit would be solid material (i.e. plastic) that does not permit the passage of gases or liquids (e.g. acts as a "cap").
  • the cap would protect the contained MOF from external elements, and it would also protect the user and environment from possible exposure to pouch contents by preventing leakage of intestinal output and odor.
  • the port may be capped using an insert that does not permit through-passage of gas during those times when ostomates may wish to not vent, for example, when they are sleeping or showering.
  • Figs. 3-5 illustrate a first embodiment of a gas management apparatus including an insert port 10 and an insert 20.
  • Fig. 3 illustrates an insert port according to this embodiment attached to a wall of an ostomy product, such as an ostomy pouch, with an insert disposed within the passage. O-rings may be incorporated into the insert to seal against an inner surface of the insert port to limit leakage.
  • Fig. 4 illustrates an applicator that may be used with the insert of Fig. 3 , which applicator may also be used as a storage device.
  • Fig. 5 illustrates the introduction of a new insert to the insert port in the pouch, which is done by pushing while the pouch is on the ostomate. Pushing a new insert into the port causes the old insert to fall into the pouch. The old insert is then disposed of, for example in the toilet, at the individual's convenience.
  • Figs. 6-9 illustrate a second embodiment of a gas management apparatus including an insert port 30 and an insert 40.
  • Figs. 6 and 7 illustrate the port 30, which may include two annular or ring-like parts 32 and 34. Sealing is achieved via snap fit of the first and second pieces 32, 34, sandwiching the ostomy pouch wall therebetween. The sealing may be further secured through the use of an adhesive at each post 36. Alternatively, the port can be adhered or heat-sealed to the pouch wall, using only the part 32.
  • the port can be comprised of materials such as nylon, which are durable, light-weight, and rigid, to ensure that no leaks occur. Alternatively, the port can be comprised of a more flexible but durable material such as silicone, to increase comfort to the user.
  • the portion of the insert that comes in contact with the port (also referred to as the housing) is comprised of rubber or flexible polymer, to create a seal within the port.
  • the geometry of the insert housing against the port inner surface at 42 allows the user to snap the insert into place, creating a seal.
  • An audible "snap", a "snap-in” sensation, or a threaded screw-in mechanism are examples of such possible embodiments.
  • a curve along the entrance of the port helps to guide the insert into place.
  • the platform face on the other end of the port prevents the insert from falling out of the port after it has been installed, and achieves a seal.
  • the applicator 50 allows for storage of new filter or capped units and aids with alignment.
  • the storage portion 52 of the applicator contains the inserts and latches onto the outer side of the port (see Fig. 9 ).
  • the storage device can be screwed on to the port to ensure attachment. Attachment of the storage also serves to ensure secure and correct insertion of a new filter. A ridge at the bottom of the pouch ensures that inserts will not fall out of the storage portion 52 prior to application.
  • the pusher 54 allows the user to push a new insert 40 into place. This can be done by simply pushing the pusher 54 in the direction of insertion.
  • the pusher 54 is hollow to allow the applicator 50 to be light-weight and use of less material.
  • the port geometry is dimensioned such that insertion of a new insert causes the old insert to fall into the pouch.
  • the applicator can be made of any rigid, durable, light-weight plastic, such as nylon.
  • the inserts 40 can be applied to the port 30 using an applicator 60 such as what is shown in Figs. 10-12 .
  • an applicator 60 such as what is shown in Figs. 10-12 .
  • the user stabilizes the applicator 60 by pressing in the groove 62 with their middle finger while grasping the tab 64 with their index finger and thumb. Once aligned with the port, the user then pushes the insert into place. The user then pulls the tab back to the right (as illustrated in Fig. 12 ) to remove the applicator, which can then be disposed of.
  • This applicator can be made of any light-weight plastic or rubber.
  • the applicator rim 66 (see Fig. 12 ) is dimensioned to ensure the user does not push too far through, such that a new insert is not wasted, and the user is protected from coming in contact with intestinal output.
  • the applicator 60 could also be composed of dissolvable or rapidly-degrading material, such that it is safe to flush into the septic system, to improve user discretion in public settings.
  • the applicator 60 is held in place via the hub 68 (see Fig. 12 ) extending into the unit housing, relying on part fit.
  • the applicator could be simply a sheet of a material such as a plastic in a similar shape, which is adhered or heat-sealed onto the outer rim of the insert housing (similar to what exists on pudding cup packaging). By keeping the sheet taut, the sheet becomes the support for application that the user needs to push the insert into place.
  • old inserts and their housing are thrown away after replacement.
  • Figs. 13-18 illustrate a further embodiment of a gas management apparatus including an insert port 70 and an insert 80.
  • this embodiment includes an insert that attaches to a latch on an outer surface of the insert port while also extending into the passage of the insert port.
  • an elongated hub extends into the passage of the insert port, which hub may be hollow and may have an odor adsorbent material disposed therein according to certain embodiments.
  • the insert also includes a skirt disposed about the hub, which skirt cooperates with the outer surface of the insert port to secure the insert into place.
  • a variety of latching mechanisms may be used.
  • the insert 80 may be used with a guard (or carrier) 90 to facilitate disposal of the user insert while providing a new replacement.
  • a guard or carrier
  • the ostomate puts the used insert on the right end of the guard.
  • Fecal output on the used insert is preferably completely encapsulated thereby, so the user does not touch the fecal output or smell it.
  • Such a guard would also serve to prevent odor escape from the used filter before the trash receptacle is emptied, thus maintaining a more odor-free environment.
  • the user separates new insert on the left from guard, and the user puts new unit on pouch as in Fig. 18 .
  • Figs. 19-25 illustrate a further embodiment of a gas management system including an insert port 100 and an insert 110.
  • the insert 110 is similar to that of Figs. 13 and 14 , in that the insert 110 has an inner hollow hub 112 that is received within the passage 102 in the insert port 100, and an outer skirt 114 that fits about the outer surface of the insert port, the port thus being disposed between the hub and the skirt.
  • An odor adsorbent 116 is received within the hub and the hub is open to allow gases to pass through the hub, the odor adsorbent and out of the insert.
  • Fig. 22 illustrates the insert port attached to an ostomy product, such as an ostomy pouch.
  • the insert housing also snaps onto the port integrated to the pouch.
  • the insert housing geometry keeps fecal matter stuck on used units far from the hands of the user, as the innermost edge of the hub 112 (where feces would collect) is shorter in length that the outwardmost edge of the skirt 114 that is handled by the user's fingers.
  • An optional additional barrier for unit protection may be disposed at 118.
  • the optional barrier may be a gas-permeable, liquid-permeable membrane such as the membrane used to encapsulate the odor adsorbent, to prevent water collection in the cavity 119 that could occlude airflow.
  • the insert can fill the entire space of the cavity, allowing for multiple layers that can aid in leak prevention.
  • the "eye-shaped" geometry of the port allows for easy sealing of the port between the two pouch walls at the top portion of the pouch (see Fig. 22 ). This seal can be achieved through adhesive or heat-sealing.
  • the portion of the port also serves as a base that the user can hold onto when removing or a new insert.
  • This port is placed at the top portion of ostomy pouch, between the two layers of plastic that comprise the pouch walls, as gas rises to the top of the pouch when a person is upright during the day. This position is also easiest for ostomates to see while the pouch is on their body, in order to handle the product during filter replacement.
  • a guard 120 may be provided that allows for protection of a replacement insert 110, as well as storage of a fouled insert 110 until such time as the insert 110 may be disposed of.
  • the insert housing may snap onto this guard 120 using a press-fit mechanism.
  • a seal can be achieved using a screw-on mechanism. Both mechanisms may ensure tightness and correctness of fit through feedback mechanisms, such as auditory or physical sensations.
  • a middle wall 122 creates a seal for the fouled unit, such that when the fouled unit is disposed with the guard, no odors escape. It also protects the new unit from any particulate matter prior to use. Additionally, the indentation, recess or saddle 124 disposed about part of or the entire circumference of the middle of the guard (best seen in Figs. 23 (partial) and 25 (entire)) allows for easier handling when pulling off or pushing on the snap filter housing.
  • the new guard itself can serve as that means for handling, as shown in Figs. 26 and 27 .
  • Figs. 19-27 can be constructed using any durable, heat-sealable, light-weight plastic, such as nylon.
  • Figs. 28-31 illustrate an embodiment of a gas management apparatus similar to that of Figs. 19-22 , with an associated guard illustrated in Fig. 33 that is similar to the guards illustrated in Figs. 23-27 .
  • the apparatus includes a port 130 and an insert 140, which insert 140 may also be combined with the guard 150.
  • Using an oblong shape for the port 130 may permit for a more slim profile while maintaining enough surface area to allow for significant gas flow.
  • the outer walls of the port 130 are adhered or heat sealed to the pouch walls, such that the only portion that sticks out of the pouch is the rim on the unit housing.
  • ridges that create texture or a tacky coating (such as silicone) on the outer rim can be added.
  • the wall of the port 130 is not received between a hub and a skirt of the insert 110. Instead, the wall of the hub 142 of the insert 140 is received between inner and outer walls 132, 134 of the port 130, with a latch 136 (which may be in the form of a pair of facing ridges formed on facing surfaces of the inner and outer port walls 132, 134) provided to capture a ridge 144 formed at the innermost edge of the hub 142 to limit the ability of the insert 140 from being removed from the port 130.
  • the cooperation between the latch 136 and the ridge 144 aids the user when installing/removing by creating a gradual sliding mechanism that ultimately pops into or out of place.
  • One or more additional ridges 138 may be provided on the inner and/or outer walls 132, 134 below (i.e., further inwardly of) the first set of ridges that defines the latch 136, the ridges 138 assisting in maintaining a seal and from the user attempting to push too far.
  • This configuration creates a tangible sensation and/or an auditory sensation (e.g. a "click") to assure the user that the unit has been properly installed.
  • Ridges on the port 130 and the insert 140 may be created using the same material as the port 130 and the insert 140, or using o-rings.
  • An o-ring 160 below the ridges 138 between the walls 132, 134 also aids in sealing the insert 140 to the port 130.
  • the o-ring 160 is dimensioned such that it is flush against the insert housing and port. Pressure from the insert causes expansion of the o-ring radially, creating a seal.
  • other or additional mechanisms for sealing may be provided to make to ensure that fecal matter does not leak (a concern for ostomates).
  • an outer edge 146 of the insert 140 may be flush against an outermost edge of the port to create a seal.
  • the insert outer edge 146 of the insert 140 may be in the form of an outwardly-directed lip region.
  • the insert 140 may further be defined by an inwardly-directed lip region. At least a portion of the outer wall 134 is taller than the inner wall 132.
  • the outwardly-directed lip region engages a top of the outer wall 134 and an odor adsorbent element 116 is secured intermediate the inner wall 132 of the insert port 130 and the inwardly-directed lip region of the insert 140.
  • Fig. 32 is a partially-exploded view of a removed insert 140, a guard 150, and a replacement insert 140.
  • Figs. 33-35 illustrate an embodiment of a gas management apparatus (port 170, insert 180) and guard 190 similar to that described in regard to Figs. 28-32 , but with an alternative geometry.
  • grips 182 are provided to facilitate handling of the insert 180.
  • ridges or a tacky coating can also be added to the outer portion of the housing.
  • a smooth indentation on the grips aid the user in the alignment of their fingers for installation/removal.
  • the grips 182 are received in complementary grip-receiving channels in the outer wall 134 of the insert port 130.
  • Figs. 36-40 illustrate a further embodiment of a gas management apparatus including an insert port 200 and an insert 210.
  • each insert may be stored individually in perforated plastic packaging, and may even be stored in a pocket on the wall of an ostomy product (e.g., pouch).
  • the user inserts a new insert into the top of the port, displacing the used insert.
  • the used insert may fall into a pouch provided either on the inside or outside of the ostomy pouch, containing odors.
  • the used insert may fall directly into the ostomy pouch, for disposal when the contents of the ostomy pouch are disposed of.
  • Figs. 38-40 illustrate details of the port 200 and insert 210 according to this embodiment of a gas management apparatus.
  • Figs. 39 and 40 particularly illustrate the latch 202 used to attach the insert to the insert port when the insert is in use.
  • the geometry in the slot is created such that the port curve follows the curve of the smallest diameter of the insert housing.
  • the slot 204 in the port follows the curves of the insert housing, such that odor or output leaks do not occur.
  • the latch 202 includes "on" ramps 206 to assist the user by guiding the part into place, and "off' ramps 208 to facilitate release of the used insert when pressure is applied by the new insert.
  • the outer, curved lip of the port will be used to provide a means to attach the port to the pouch.
  • a seal can be achieved through adhesive or heat-sealing methods around the entire rim of the port.
  • the curved edges facilitate in creating that seal, as any corners would provide a risk for leakage of odor or output.

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  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
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Claims (12)

  1. Gasbehandlungsvorrichtung zur Verwendung mit einem Stomabeutel, umfassend:
    einen Einsatz-Anschluss (130), der einen Einsatz-Aufnahmedurchlass aufweist, der in Verbindung mit einer inneren Kammer eines Stomabeutels und einer Außenseite des Stomabeutels steht, wobei der Einsatz-Anschluss in eine oder mehrere Wand/Wände des Stomabeutels integriert ist, der Einsatz-Anschluss (130) eine Innenwand (132) und eine Außenwand (134) enthält, zwischen der Innenwand und der Außenwand eine Nut ausgebildet ist, wobei ein Einsatz (140) eine Muffe (142) mit einer Wand einschließt, die in der zwischen der Innen- und der Außenwand des Einsatz-Anschlusses (130) ausgebildeten Nut aufgenommen ist;
    der Einsatz (140) selektiv in dem Einsatz-Aufnahmedurchlass des Einsatz-Anschlusses (130) aufgenommen wird und in dem Einsatz (140) wenigstens eine Lüftungsöffnung enthalten ist; sowie
    ein Gerüche adsorbierendes Element (116), das in dem Einsatz (140) angeordnet ist, wobei der Einsatz-Aufnahmedurchlass und die Lüftungsöffnung des Einsatzes einen Weg für Gase bilden, der von der inneren Kammer des Stomabeutels sowie durch das adsorbierende Element hindurch verläuft und aus der Gasbehandlungsvorrichtung austritt;
    dadurch gekennzeichnet, dass
    die Gasbehandlungsvorrichtung des Weiteren eine Arretierung (136) umfasst, die an der Innen- oder/und der Außenwand des Einsatz-Anschlusses (130) vorhanden ist, wobei die Arretierung den Einsatz (140) an dem Einsatz-Anschluss (130) fixiert und die Arretierung (136) durch ein Paar einander zugewandter Rippen gebildet wird, die an einander zugewandten Flächen der Innen- und der Außenwand ausgebildet sind, die die Nut des Einsatz-Anschlusses bilden, und die Wand der Muffe (142) eine Rippe (144) enthält, mit der die an einander zugewandten Flächen der Innen- und der Außenwand ausgebildeten einander zugewandten Rippen arretierend in Eingriff kommen, und so die Muffe an dem Einsatz-Anschluss fixiert wird.
  2. Gasbehandlungsvorrichtung nach Anspruch 1, die des Weiteren einen O-Ring (160) aufweist, der zwischen dem Einsatz und der Innen- und der Außenwand angeordnet ist, die die Nut des Einsatz-Anschlusses bilden.
  3. Gasbehandlungsvorrichtung nach einem der Ansprüche 1-2, wobei der Einsatz-Anschluss (130) und der Einsatz (140) jeweils eine längliche Form haben.
  4. Gasbehandlungssystem nach einem der Ansprüche 1-3, wobei der Einsatz des Weiteren ein Paar nach außen gerichteter Griffe (182) umfasst, die Handhaben des Einsatzes erleichtern, und jeder Griff in einer komplementären Griff-Aufnahmevertiefung in der Außenwand (134) des Einsatz-Anschlusses (130) aufgenommen ist.
  5. Gasbehandlungssystem nach einem der Ansprüche 1 bis 4, das des Weiteren eine Schutzeinrichtung (150) mit einem ersten und einem zweiten Einsatz-Aufnahmeende aufweist, wobei das erste Einsatz-Aufnahmeende zum Aufnehmen des Einsatzes beim Entfernen aus dem Einsatz-Aufnahmedurchlass des Einsatz-Anschlusses eingerichtet ist und das zweite Einsatz-Aufnahmeende zum Tragen eines Austausch-Einsatzes eingerichtet ist, der in den Einsatz-Aufnahmedurchlass des Einsatz-Anschlusses eingesetzt werden kann, und die Schutzeinrichtung eine Wand enthält, die zum Trennen des entfernten Einsatzes von dem Austausch-Einsatz eingerichtet ist und zum Abdichten des entfernten Einsatzes und des Austausch-Einsatzes dient.
  6. Gasbehandlungssystem nach Anspruch 5, wobei die Schutzeinrichtung eine Einkerbung, eine Aussparung oder einen Steg an einer Außenseite einschließt, die/der Handhabung erleichtert.
  7. Gasbehandlungssystem nach Anspruch 5, wenn abhängig von Anspruch 4, wobei die Schutzeinrichtung Griff-Aufnahmevertiefungen in einer äußeren Schutzwand einschließt und die Griff-Aufnahmevertiefungen komplementär zu entsprechenden Griffen (182) des entfernten Einsatzes und des Austausch-Einsatzes sind.
  8. Gasbehandlungssystem nach einem der Ansprüche 1-7, das des Weiteren eine gasundurchlässige Sperre umfasst, die in jeder der wenigstens einen Lüftungsöffnung des Einsatzes aufgenommen ist.
  9. Gasbehandlungssystem nach Anspruch 1, wobei die Arretierung (136) wenigstens teilweise einen Einsatz-Aufnahmeschlitz (204) bildet und der Schlitz eine Krümmung hat, die komplementär zu einer Krümmung des Einsatzes ist, so dass Undichtigkeit zwischen dem Einsatz und dem Einsatz-Anschluss verhindert wird.
  10. Gasbehandlungssystem nach Anspruch 9, wobei die Arretierung (136) eine oder mehrere Abschrägung/en (206) enthält, die Einsetzen eines Austausch-Einsatzes erleichtert/erleichtern.
  11. Gasbehandlungssystem nach Anspruch 1 in Kombination mit einem Applikator (50), der einen oder mehrere Austausch-Einsatz/Einsätze trägt, wobei der Applikator eine Öffnung aufweist, die Einsetzen eines des einen oder der mehreren Austausch-Einsatz/Einsätze in den Einsatz-Anschluss ermöglicht.
  12. Gasbehandlungssystem nach Anspruch 11, das des Weiteren einen Drücker (54) umfasst, der in dem Applikator (50) angeordnet ist, wobei der Drücker in einem Drücker-Aufnahmeschacht des Applikators aufgenommen ist und der Drücker Einsetzen eines des einen oder der mehreren Austausch-Einsatz/Einsätze in den Einsatz-Anschluss erleichtert.
EP15810921.5A 2014-06-23 2015-06-23 Vorrichtungen für stomagasmanagement Active EP3157477B1 (de)

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US201462016069P 2014-06-23 2014-06-23
PCT/US2015/037078 WO2015200255A1 (en) 2014-06-23 2015-06-23 Methods and apparatuses for ostomy gas management

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EP3157477A1 (de) 2017-04-26
US10653551B2 (en) 2020-05-19
DK3157477T3 (da) 2020-09-07
EP3157477A4 (de) 2018-03-07
US20170209294A1 (en) 2017-07-27
WO2015200255A1 (en) 2015-12-30
US20200237549A1 (en) 2020-07-30

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